Control device for a vehicle generator

Details Control device for a vehicle generator Control device for a vehicle generator

1997-04-11

1999-08-03

Dougherty, Thomas M.

Electricity: single generator systems

Automatic control of generator or driving means

With respect to a reference or master device or quantity

257678, H02J 714

Patent

active

059329939

ABSTRACT:
A control device for a vehicle generator which includes a semiconductor switching element for controlling the flow of current in a field winding of a generator driven by a vehicle internal combustion engine; a control unit which outputs a control signal for turning the semiconductor switching element on and off to thereby control the output voltage of the generator; and a field current detecting element for detecting the field current. The control unit has a field current limiter which outputs the control signal, depending on the output from the field current detecting element. The field current detecting element and the field current limiter are constituted as a hybrid integrated circuit. The field current detecting element and the field current limiter have respective ground patterns coupled at a location other than the ground terminal of the hybrid integrated circuit.

REFERENCES:
patent: 4612493 (1986-09-01), Katashima et al.
patent: 4739243 (1988-04-01), Iwatani et al.
patent: 5365161 (1994-11-01), Inoue et al.
patent: 5432471 (1995-07-01), Majumdar et al.
patent: 5473191 (1995-12-01), Tanaka

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